Veritas Storage Foundation and High Availability Solutions Release Notes

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136About Veritas Storage Foundation and High Availability SolutionsSoftware limitationsInterface object name must match net/v4static for VCS networkreconfiguration script in Solaris 11 guest domain [2840193]If the Solaris 11 guest domain is configured for DR and its interface object namedoes not match the net/v4static pattern then the VCS guest networkreconfiguration script (VRTSvcsnr) running inside the guest domain adds a newinterface object and the existing entry will remain as is.Share agent limitation (2717636)If the Share resource is configured with VCS to share a system directory (forexample, /usr) or Oracle Solaris 11 which gets mounted at boot time, the VCSshare resource detects it online once VCS starts on the node after a panic or halt.This can lead to a concurrency violation if the share resource is a part of a failoverservice group, and the group has failed over to another node in the cluster. VCSbrings down the Share resource subsequently. This is due to the share commandbehavior or Oracle Solaris 11, where a directory shared with share commandremains persistently on the system across reboots.Agent directory base name must be type name for an agentusing out-of-the-box imf_init IMF entry point to get IMF support[2858160]To get IMF support for an agent which uses the out-of-the-box imf_init IMF entrypoint, the base name of agent directory must be the type name. When AgentFileis set to one of the out-of-the-box agents like Script51Agent, that agent will notget IMF support.Workaround:1 Create the following symlink in agent directory (for example in/opt/VRTSagents/ha/bin/WebSphereMQ6 directory).# cd /opt/VRTSagents/ha/bin/# ln -s /opt/VRTSvcs/bin/Script51Agent Agent2 Run the following command to update the AgentFile attribute based on valueof VCS_HOME.■If VCS_HOME is /opt/VRTSvcs:# hatype -modify AgentFile/opt/VRTSvcs/bin//Agent■If VCS_HOME is /opt/VRTSagents/ha:
About Veritas Storage Foundation and High Availability SolutionsSoftware limitations137# hatype -modify AgentFile/opt/VRTSagents/ha/bin//AgentLimitations related to the VCS database agentsThe Db2udb agent does not support DB2 9.8The Db2udb agent does not support DB2 version 9.8. This is because DB2 9.8 isdesigned especially for DB2 PureScale feature and it doesn't support some of thefeatures in DB2 9.7 temporarily.Seehttp://www.ibm.com/developerworks/data/library/techarticle/dm-0909db2whichedition/for more information.DB2 RestartLimit value [1234959]When multiple DB2 resources all start at the same time with no dependencies,they tend to interfere or race with each other. This is a known DB2 issue.The default value for the DB2 agent RestartLimit is 3. This higher value spreadsout the re-start of the DB2 resources (after a resource online failure), which lowersthe chances of DB2 resources all starting simultaneously.Limitation with intentional offline functionality of VCS agent for OracleThe Oracle resource never faults after an intentional offline.Intentional offline functionality of VCS agent for Oracle requires you to enablehealth check monitoring. The agent uses Oracle's Health Check API to find thestate of the database. If the API returns a graceful shutdown for the database,then the agent marks the resource state as INTENTIONAL OFFLINE. Later if theOracle agent's online function does not succeed, the agent does not mark theresource as FAULTED. The state remains as INTENTIONAL OFFLINE because theagent receives the database state from the API as graceful shutdown during eachmonitor cycle. [1805719]Sybase agent does not perform qrmutil based checks if Quorum_dev is notset (2724848)If you do not set the Quorum_dev attribute for Sybase Cluster Edition, the Sybaseagent does not perform the qrmutil-based checks. This error in configuration maylead to undesirable results. For example, if qrmutil returns failure pending, theagent does not panic the system. Thus, the Sybase agent does not performqrmutil-based checks because the Quorum_dev attribute is not set.Therefore, setting Quorum_Dev attribute is mandatory for Sybase cluster edition.
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Veritas Storage Foundationand High
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Symantec Corporation350 Ellis Stree
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■■■■■■■Hardware infor
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ContentsTechnical Support .........
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Contents9Chapter 4 Upgrading to 6.0
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